/Engine/Plugins/Experimental/TextToSpeech/Source/TextToSpeech/Public/TextToSpeechModule.h
ITextToSpeechFactory
void SetCustomFactory ( const [TSharedRef](API\Runtime\Core\Templates\TSharedRef)< [ITextToSpeechFactory](API\Plugins\TextToSpeech\GenericPlatform\ITextToSpeechFactory) > & InFactory )